Key button arrangement for a handset



FIG. 1 is a front view of a first embodiment of a key button arrangement for a handset showing our new design;

FIG. 2 is a perspective front view thereof;

FIG. 3 is a front view of a second embodiment of a key button arrangement for a handset showing our new design; and,

FIG. 4 is a perspective front view thereof.

The broken lines of FIGS. 1-2 showing the remainder of the handset and the broken lines in FIGS. 3-4 showing the key mat and the two circular regions are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a key button arrangement for a handset, as shown and described. 